Tropical Fish Keeping - Aquarium fish care and resources

Tropical Fish Keeping - Aquarium fish care and resources (http://www.tropicalfishkeeping.com/)
-   Beginner Freshwater Aquarium (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/)
-   -   How long? (http://www.tropicalfishkeeping.com/beginner-freshwater-aquarium/how-long-21154/)

adpierin11 02-10-2009 09:19 AM

How long?
 
I just bought a 20 long yesterday. I took the filter catridge from the new filter and put it in my already established 75g. How long will it take for the bacteria to be on the catridge to where I can throw it in my 20 and it already be cycled?

Tyyrlym 02-10-2009 09:22 AM

Two weeks or more.

1077 02-10-2009 09:34 AM

+one for what Ty said. Two weeks minimum.;-)

WisFish 02-10-2009 10:27 AM

And that's just to "seed" the cartridge. The 20g tank won't be fully cycled until the bateria level on the new cartridge increases to meet the load of the new aquarium. In the 75 gal tank, the cartridge is being helped out by the 75g's filter which will limit the amount of bateria on the new cartridge.

Tyyrlym 02-10-2009 10:59 AM

What Wis said, you have a seeded cartridge at that point, not a cycled one. It'll greatly speed up the cycling of your tank but it doesn't eliminate it.

1077 02-10-2009 11:18 AM

:thumbsup: After You place the seeded filter in the new tank ,there must be an ammonia source for the newly seeded filter to feed on. Two or three fish could be added followed by intervals of a week to ten days before adding another three fish etc, etc.

adpierin11 02-10-2009 01:29 PM

Well once I switch the filter cartridge over the bettas will already be in the tank.


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